Arbital is a really neat website design intended to help readers learn concepts.
Unlike e.g. Wikipedia, it can present the same content at different levels of complexity and dynamically show you the prerequisites for learning a given topic!
https://arbital.com/learn/Arbital_author_basics
miniblog.
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Today I learnt that the original name for DOS was QDOS, for "Quick and Dirty Operating System"! https://en.wikipedia.org/wiki/DOS#QDOS
(Seems rather unfortunate that they dropped the Q.)
I've been reading about the object-capability model as seen in the E programming language.
It reminds me of dependency injection, but used pervasively. Rather than calling static methods, you pass in object arguments and call methods in them.
